Lg Electronics 47LE8500 Manuale Utente

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July 2010   LCD TV
47LE8500
82
Main P7900 / P7901 (Voltage and Diode Check)
Main P7900 / P7901 (Voltage and Diode Check)
P7900 “Main” to “Inverter Main” CN11
Inverter Run voltages taken with built in test pattern
Diode Mode values taken with all Connectors Removed
1.08V
2.99V
0V
S_SCLK
10
1.08V
*0.18V~0.28V
0V
S_MOSI
9
1.08V
2.6V
0V
S_CS_N
8
GND
GND
GND
GND
7
1.08V
0.23V
0V
M1_SCLK
6
1.08V
*0.04V~3.26V
0V
M1_MOSI
5
GND
GND
GND
GND
4
1.08V
0.23V
0V
M0_SCLK
3
1.08V
*0.04V~3.26V
0V
M0_MOSI
2
1.08V
0.05V
0V
L_VS
1
Diode 
Check
Run 
STBY
Label
Pin
*Black to White
P7901 “Main” to “Inverter Secondary” CN103
*Black to White
Gnd
Gnd
Gnd
Gnd
8
1.1V
0V
0V
M3_SCLK
7
1.1V
0V
0V
M3_MOSI
6
Gnd
Gnd
Gnd
Gnd
5
1.1V
0.23V
0V
M2_SCLK
4
1.1V
*0.04V~3.2V
0V
M2_MOSI
3
Gnd
Gnd
Gnd
Gnd
2
Open
0.04V
0V
R_VS
1
Diode 
Check
Run 
STBY
Label
Pin
Leandro 
Palmeira